From the depths of the Grand Canyon to the surface of the moon, a selection of children’s books is reviewed by the New York Times. The books are primarily geared to elementary school readers.

MULE TRAIN MAIL, Written and illustrated by Craig Brown, Charlesbridge.

There’s one place left in the United States where the mail is delivered by mule train: from the rim of the Grand Canyon a mile down to Supai, on the Havasupai Indian Reservation…

MOONSHOT, The Flight of Apollo 11, Written and illustrated by Brian Floca, Richard Jackson/Atheneum.

In watercolors, ink and acrylics, Floca lays out colorfully and succinctly how the Apollo 11 mission unfolded. Crew and machinery are equally brought to life…